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Finding the Fourth Proportional to 525,061.60, 788,175.60 and 325,607.20

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Solution

The fourth proportional to 525,061.60, 788,175.60 and 325,607.20 is: 488,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,061.60 : 788,175.60 = 325,607.20 : x
  2. Step 2: Convert to fraction form
    525,061.60/788,175.60 = 325,607.20/x
  3. Step 3: Cross multiply
    525,061.60x = 788,175.60 × 325,607.20
  4. Step 4: Simplify right side
    525,061.60x = 256,635,650,224.32
  5. Step 5: Solve for x
    x = 256,635,650,224.32/525,061.60
  6. Step 6: Final answer
    x = 488,772.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.